Product Short Description
Product Name: Valmet Metso Neles Automation NCU2 A413654 Network Control Unit Controller Board.
Product Overview: The NCU2 A413654 is a high-performance Network Control Unit processor board engineered for demanding DCS and PLC architectures. Originally introduced under the Neles/Metso Automation line, it executes complex loop controls, interface logic management, and high-speed data transmission for processing plants utilizing automated control valves.
Description
Technical Specifications:
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Module Designation: NCU2 A413654
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Module Class: Network Control Unit Version 2 (NCU-2) PLC Processor Board
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Country of Origin: Finland
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Physical Net Weight: 0.85 kg
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Dimensions: 235 mm (W) x 160 mm (D) x 35 mm (H)
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Backplane Communication Bus: Proprietary high-speed internal system bus
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Processor: Dedicated high-reliability embedded microcontroller
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Diagnostic Indication: Onboard LED status lights for power, system fault, network activity
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Operating Temperature: 0°C to +60°C (32°F to 140°F)
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Storage Temperature: -40°C to +85°C (-40°F to 185°F)
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Relative Humidity: 5% to 95% non-condensing
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Conformal Coating: Standard industrial resistance against airborne particulates
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Power Consumption: Low thermal dissipation profile for enclosed rack mounting
Application: Used in pulp and paper mills (headbox control, drying line automation), oil and gas refining (emergency shutdown systems, control valve telemetry), chemical processing (temperature/pressure/flow regulation), and power generation (boiler feed, cooling system, steam valve tracking).
Installation & Usage Notes: This unit contains highly sensitive CMOS components. Always wear a grounded ESD wrist strap before handling. Confirm system rack power is off before installation. Align the card with chassis guide rails and gently slide until the backplane connector seats firmly. Secure mounting screws to prevent vibration-induced disconnections. Use low-pressure compressed dry air to clear dust during maintenance.
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